火电站工作时，将煤炭燃烧释放出的能转化成机械能，带动汽轮机_爱下问搜题

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问题填空题

火电站工作时，将煤炭燃烧释放出的能转化成机械能，带动汽轮机发电。为了提高火电站的效率，请你提出一条可行措施：。

答案

内（热）；加大送风量（或利用余热、将煤磨成煤粒等）

选择题

下列曲线图反映了我国1953年—1958年、1959年—1964年、1970年—1975年、1979年—1984年四个时期国内生产总值（GDP）增长率的变化。其中与1979年—1984年相对应的是[ ]

A．

B．

C．

D．

完形填空

I devote myself to music because of my grandmother. My mom and I lived with my grandparents from the time I was two __36__ I was eight. And even then, I was at their house before and after school every day while my mother was __37__.
Grandma loved music. It was she that first __38__ me to Elvis Presley (猫王) as a very young child, and once I heard his music, I was truly in __39__ with it. Most five-year-olds ask for __40__ for birthdays, but I wanted Elvis’ albums. I would play them non-stop and __41__ to the music in my grandma’s family room though my movements didn’t look good.
Grandma played the piano and __42__ me to sing “America the Beautiful” and “Somewhere over the Rainbow”. I __43__ started playing music on the piano, and soon Grandma was paying for me to __44__ piano lessons from a lady living in the __45__. I would come home from __46__ and walk three houses down for my lesson. I __47__ took about nine months of lessons, but it was enough to give me a foundation (基础) and __48__ me to continue to teach myself.
Last month when I came home to visit Grandma in the hospital, I __49__ my guitar with me. She was in a lot of pain, but the music seemed to __50__ her soul. She had me sing some songs and when I started to sing “Somewhere over the Rainbow”, her weakened voice __51__ in with mine for a few lines. That experience was one of the most __52__ of my lifetime and one I will certainly cherish forever. I told her of my music career and she was very __53__ and said, “That’s wonderful!” I __54__ to play for her throughout the week I was home.
My grandma passed away two days ago. In my opinion, part of her will live on through every __55__ I write or sing in my life.

B．eventually(最后)

D．fortunately(幸运地)

C．neighborhood

D．countryside

C．brought along

D．pretended (假装)